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Finding the Fourth Proportional to 273,852.09, 377,915.85 and 152,993.42

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Solution

The fourth proportional to 273,852.09, 377,915.85 and 152,993.42 is: 211,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,852.09 : 377,915.85 = 152,993.42 : x
  2. Step 2: Convert to fraction form
    273,852.09/377,915.85 = 152,993.42/x
  3. Step 3: Cross multiply
    273,852.09x = 377,915.85 × 152,993.42
  4. Step 4: Simplify right side
    273,852.09x = 57,818,636,474.13
  5. Step 5: Solve for x
    x = 57,818,636,474.13/273,852.09
  6. Step 6: Final answer
    x = 211,130.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.